When NASA was looking for its first astronauts, they searched among the square-jawed pilot set. As we gear up to travel to Mars, what kind of astronauts and skillsets are they looking for? Guest ...

A Dutch start-up named Mars One is hoping to send a select group of brave astronauts on a one-way trip to the Red Planet in the year 2023 with the aim of establishing a permanent human colony.

People are looking forward to witnessing the first footsteps on the moon in over 50 years and the first ones on Mars ever.